It is most effective after you quit a "memory hog" like Photoshop or a heavy game.
Your system might feel sluggish for a few seconds while the app is cleaning, but it should speed up immediately afterward.
Click the icon in your menu bar and select Clean Memory . The process usually takes 15–30 seconds .
Displays real-time stats (active, wired, inactive, and free memory) directly in your Mac's menu bar.
💡 Memory Clean 2 for Mac - FIPLAB
For a manual approach without third-party apps, you can use the Activity Monitor to quit processes or the terminal command sudo purge .